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Subject: Re: Blunder move by H8 ver J8 in RK2003 Tourney

Author: Uri Blass

Date: 10:29:10 07/07/03

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On July 07, 2003 at 09:39:23, Rex wrote:

>Round 2.1 in the RK2003 H8 makes a unusual move 30....c6?  Can other programs
>agree that this move is questionable?

Not movei.
It does not choose 30...c6 but does not evaluate it as a mistake.

Movei on p850

Movei before c6

depth=12 +1.14 f6e4 c4e4 a5b5 f3e5 h6g5 e4d3 b5b2 c1c2 b2c2 d3c2 f4f3 c5c6 g7g6
Nodes: 76142697 NPS: 158925
Time: 00:07:59.11
depth=12 +1.14 f6e4 c4e4 a5b5 f3e5 h6g5 e4d3 b5b2 c1c2 b2c2 d3c2 f4f3 c5c6 g7g6
Nodes: 91126515 NPS: 158690
Time: 00:09:34.24

After c6

depth=11 -1.07 d5d6 e7b7 b5c3 b7a7 c3e2 f6d7 e6d7 a7d7 e2g1 a5a3 f3e5
Nodes: 10355564 NPS: 156074
Time: 00:01:06.35



  Is this a bug in H8?  Hiarcs had a nice
>advantage up till this move.

You can see that the difference is only 0.07 pawns so it is probably not a bug.
I did not analyze to find if c6 is a mistake.

Uri



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